package util;


import common.ApplicationVariable;
import model.UserInfo;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

public class SessionUtil {
    public static UserInfo getSessionUserInfo(HttpServletRequest req){
        HttpSession session=req.getSession(false);
        UserInfo userInfo=null;
        if(session!=null&&session.getAttribute(ApplicationVariable.SESSION_USER_KEY)!=null){
            userInfo=(UserInfo) session.getAttribute(ApplicationVariable.SESSION_USER_KEY);
        }
        return userInfo;
    }

}
